CN116639443B

CN116639443B - Four-station rotating device and four-station testing equipment

Info

Publication number: CN116639443B
Application number: CN202310628446.8A
Authority: CN
Inventors: 林咏华; 沈炳元
Original assignee: Shenzhen Kaima Times Technology Co ltd
Current assignee: Shenzhen Kaima Times Technology Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2024-02-09
Anticipated expiration: 2043-05-30
Also published as: CN117864683A; CN116639443A

Abstract

The invention provides a four-station rotating device and four-station testing equipment. The four-station rotating device comprises a turntable, four clamping plate platforms and a rotary driver. The four clamping plate platforms are sequentially and uniformly connected with the turntable in a surrounding mode, and each clamping plate platform comprises a feeding area, a counterpoint area, a testing area and a discharging area on the rotating track of each clamping plate platform. The clamping plate platform comprises an underframe, a connecting rod and two groups of clamps. The chassis comprises a main body plate and two extension rods, the two extension rods are respectively perpendicularly protruded at two ends of the main body plate and extend in the same direction, and the connecting rod is perpendicularly connected with the two extension rods. The two groups of clamps are respectively connected with the main body plate and the connecting rod. The four-station test equipment comprises the four-station rotating device. According to the four-station rotating device and the four-station testing equipment, two sides of a circuit board are clamped and fixed through two groups of opposite clamps, and the upper machine head and the lower machine head of the testing device can be pressed and tested from the bottom surface and the top surface of the circuit board respectively, so that specific testing requirements are met.

Description

Four-station rotating device and four-station testing equipment

Technical Field

The invention relates to the technical field of automation, in particular to a four-station rotating device and four-station testing equipment.

Background

On a production line for processing a circuit board, the production line generally comprises several links of feeding, aligning, testing and discharging, and the circuit board is generally conveyed through a four-station rotating device between the links. The four-station rotating device in the prior art is characterized in that a sucker is generally arranged on a turntable to adsorb a circuit board, when an upper machine head and a lower machine head of a testing device used in a testing link need to test the circuit board in a pressing mode from the bottom surface of the circuit board and the top surface of the circuit board, the circuit board in the prior art adsorbs the circuit board by adopting the sucker, the bottom of the circuit board is shielded, and the testing device cannot press and test the circuit board.

Therefore, a four-station rotating device and a four-station testing apparatus are needed to solve the above-mentioned problems.

Disclosure of Invention

The invention provides a four-station rotating device and four-station testing equipment, wherein an upper machine head and a lower machine head of the testing device can respectively press fit from the bottom surface and the top surface of a circuit board and test, so that specific testing requirements are met.

The technical scheme of the invention is as follows:

a four-station turning device for rotationally conveying a circuit board, the four-station turning device comprising:

a turntable rotatably provided;

the four clamping plate platforms are sequentially and uniformly connected with the turntable in a surrounding manner, and each clamping plate platform comprises a feeding area, a counterpoint area, a test area and a discharging area on the rotating track of each clamping plate platform;

the rotary driver is connected with the turntable and used for driving the turntable and the clamping plate platforms to rotate, so that the clamping plate platforms pass through the feeding area, the alignment area, the testing area and the discharging area in turn in a circulating way;

the clamping plate platform comprises an underframe, a connecting rod and two groups of clamps; the chassis comprises a main body plate and two extension rods, the main body plate is connected with the turntable, the two extension rods are respectively and vertically protruded out of two ends of the main body plate and extend in the same direction, the connecting rod is vertically connected with the two extension rods, and the connecting rod is connected with the chassis to form a hollow structure; the two groups of clamps are respectively connected with the main body plate and the connecting rod, and the clamping openings of the two groups of clamps are opposite.

In the four-station rotating device, a plurality of clamps are arranged in each group, the clamping plate platform further comprises two first linear guide rails, the two first linear guide rails are respectively connected between the main body plate and one group of clamps, and between the connecting rod and the other group of clamps, and the length directions of the two first linear guide rails are the same as the length of the connecting rod.

In the four-station rotating device of the invention, the clamping plate platform further comprises:

the two second linear guide rails are respectively connected to the two extension rods and are consistent with the length direction of the extension rods; the method comprises the steps of,

the two connecting blocks are connected with the sliding block of the second linear guide rail and one end of the connecting rod.

the two side plates are respectively connected with the two extension rods, the length direction of each side plate is consistent with the length direction of each extension rod, each side plate is provided with a strip-shaped sliding hole, and the length direction of each sliding hole is consistent with the length direction of each side plate; the method comprises the steps of,

the two locking assemblies comprise a locking screw rod, a gasket and a locking handle, the locking screw rod movably penetrates through the sliding hole, the locking handle is rotationally connected with one end of the locking screw rod, the other end of the locking screw rod is connected with the connecting block, the gasket is sleeved on the locking screw rod and located between the locking handle and the side plate, the locking handle comprises a sliding position and a locking position on the rotating track of the locking handle, when the locking handle is located at the sliding position, a gap is reserved between the locking handle and the gasket, so that the locking screw rod can slide in the sliding hole, when the locking handle is located at the locking position, the gasket is clamped between the locking handle and the side plate in an interference mode, and the locking screw rod is fixed on the side plate.

In the four-station rotating device, the clamp comprises a base, a cushion block, a rotating block, a pushing block, a pressing block and a horizontal driving piece; the base comprises a first connecting end, a second connecting end and a third connecting end, wherein the third connecting end is located between the first connecting end and the second connecting end, the first connecting end is connected with a sliding block of a first linear guide rail, the second connecting end is connected with a cushion block, two ends of the rotating block are respectively connected with the third connecting end and the pushing block in a rotating mode, the pushing block comprises a loosening position and a clamping position on a motion track of the pushing block, the pressing block is connected with the rotating block, the pressing block and the pushing block are located on two sides of the same end of the rotating block, the horizontal driving piece is connected with the pushing block and used for driving the pushing block to move back and forth between the loosening position and the clamping position, the loosening position is far away from a circuit board relative to the clamping position, when the pushing block is moved to the clamping position by the loosening position, the rotating block and the pressing block rotate towards a direction close to the circuit board, so that the pressing block and the cushion block are matched with the circuit board, and when the pushing block is moved to the releasing position, the pressing block is far away from the circuit board.

In the four-station rotating device, one end of the cushion block, which is close to the circuit board, is provided with the step groove, one end of the pressing block, which is close to the circuit board, is provided with the convex block, and when the pushing block is positioned at the clamping position, the convex block is positioned in the step groove.

In the four-station rotating device, the clamping plate platform further comprises two fixed racks which are respectively fixed on the main body plate and the connecting rod;

the clip further comprises a movable rack and a spring plate, wherein the movable rack is movably meshed with the fixed rack, and the spring plate is connected with the movable rack and the base.

In the four-station rotating device, the clamping plate platform further comprises two graduated scales which are respectively fixed on the main body plate and the connecting rod and used for marking the position of the clamp.

The other technical scheme of the invention is as follows:

a four-station test apparatus, comprising: the four-station rotating device comprises a feeding front rail conveying mechanism, a dust adhering mechanism, a feeding rear rail conveying mechanism, a feeding arm, an aligning mechanism, a testing device, a discharging arm, a marking platform, a plurality of receiving platforms and discharging arms, wherein the feeding rear rail conveying mechanism, the dust adhering mechanism and the feeding front rail conveying mechanism are sequentially arranged on one side of the feeding area along the transverse direction, the feeding arm is slidably arranged on the feeding rear rail conveying mechanism and the upper side of the feeding area, the aligning mechanism is arranged in the aligning area, the testing device is arranged in the testing area, the marking platform and the discharging area are arranged adjacent to each other along the transverse direction, a plurality of receiving platforms and the marking platform are longitudinally arranged, the discharging arms are slidably arranged on the discharging area and the upper side of the marking platform, and the discharging arms are slidably arranged on the marking platform and the upper side of the receiving platforms.

In the four-station test equipment of the invention, the four-station test equipment further comprises two groups of support components, the two groups of support components are positioned below the feeding area and are arranged in parallel along the longitudinal direction, and each support component comprises:

a tray for supporting the circuit board; the method comprises the steps of,

and the vertical driving piece is connected with the tray and used for driving the tray to move along the vertical direction.

Compared with the prior art, the invention has the beneficial effects that: according to the four-station rotating device and the four-station testing equipment, one clamping plate platform is firstly positioned in the feeding area for feeding, two sides of a circuit board are clamped and fixed through two groups of opposite clamps, then the rotating driver rotates 90 degrees to enable the clamping plate platform to be positioned in the alignment area, after alignment operation is completed, the rotating driver rotates 90 degrees again to enable the clamping plate platform to be positioned in the testing area, and because the connecting rod and the underframe form a hollow structure, the upper machine head and the lower machine head of the testing device can respectively press and test the bottom surface and the top surface of the circuit board, specific testing requirements are met, the rotating driver rotates 90 degrees again to enable the clamping plate platform to be positioned in the discharging area for completing discharging operation, the rotating driver rotates circularly, and feeding, alignment, testing and discharging procedures are performed simultaneously, so that production efficiency is effectively improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments are briefly described below, and the drawings in the following description are only drawings corresponding to some embodiments of the present invention.

Fig. 1 is a schematic top view of a four-station turning device according to a preferred embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a clamping plate platform of a four-station rotating device according to a preferred embodiment of the present invention.

Fig. 3 is a schematic view of another angle structure of the clamping plate platform of the four-station rotating device according to the preferred embodiment of the present invention.

Fig. 4 is an enlarged schematic view of the portion a in fig. 3.

Fig. 5 is a schematic structural diagram of a chassis of a four-station rotating device according to a preferred embodiment of the present invention.

Fig. 6 is a schematic diagram of a detachment structure of a locking assembly and a connection block of a four-station turning device according to a preferred embodiment of the present invention.

Fig. 7 is a schematic structural view of a clip of a four-position rotating device according to a preferred embodiment of the present invention.

Fig. 8 is an exploded view of a clip of a four-position turning device according to a preferred embodiment of the present invention.

Fig. 9 is a schematic structural diagram of a four-station testing apparatus according to a preferred embodiment of the present invention.

FIG. 10 is a schematic structural view of a support assembly of a four-station test apparatus according to a preferred embodiment of the present invention.

Wherein,

001. the electrical circuit board is provided with a plurality of circuit boards,

1. a four-station rotating device is arranged on the base,

11. the rotating disc is provided with a rotating disc,

12. a clamping plate platform, wherein the clamping plate platform is provided with a clamping plate,

12a, a feeding area, 12b, a counterpoint area, 12c, a test area, 12d, a discharging area,

120. chassis, 1201, body plates, 1202, extension pole,

121. a connecting rod is arranged on the connecting rod,

122. the clamp is used for clamping the workpiece,

1221. a base 12211, a first connection end 12212, a second connection end 12213, a third connection end,

1222. the cushion block, 12221, the step groove,

1223. the rotating block is arranged on the upper surface of the rotating block,

1224. the push block is arranged on the upper surface of the push rod,

1225. a pressing block, 12251 and a convex block,

1226. a horizontal driving member is arranged on the upper surface of the horizontal driving member,

1227. the rack is moved to be in contact with the rack,

1228. the elastic sheet is provided with a plurality of elastic sheets,

123. the first straight-line guide rail is provided with a first guide rail,

124. a second linear guide rail is arranged on the first linear guide rail,

125. the connecting block is connected with the connecting block,

126. a side plate, 1261, a sliding hole,

127. locking assembly 1271, locking screw 1272, washer 1273, locking handle 128, fixed rack,

129. a graduated scale, a graduated scale and a graduated scale,

2. a track conveying mechanism before feeding,

3. a dust-sticking mechanism,

4. a track conveying mechanism after feeding,

5. a feeding arm is arranged on the feeding device,

6. an alignment mechanism is arranged on the upper surface of the base,

7. the test device comprises a test device, a test device and a test system,

8. a blanking arm is arranged on the machine body,

9. a marking platform is arranged on the surface of the marking plate,

10. a material receiving table is arranged on the material receiving table,

20. a discharging arm which is provided with a discharging hole,

30. support assembly 301, tray 302, vertical drive.

In the drawings, like structural elements are denoted by like reference numerals.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The terms of directions used in the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "side", "top" and "bottom", are used for explaining and understanding the present invention only with reference to the orientation of the drawings, and are not intended to limit the present invention.

The words "first," "second," and the like in the terminology of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance and not as limiting the order of precedence.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

The four-station rotating device in the prior art is characterized in that a sucker is generally arranged on a turntable to adsorb a circuit board, when an upper machine head and a lower machine head of a testing device used in a testing link need to test the circuit board in a pressing mode from the bottom surface of the circuit board and the top surface of the circuit board, the circuit board in the prior art adsorbs the circuit board by adopting the sucker, the bottom of the circuit board is shielded, and the testing device cannot press and test the circuit board.

The following is a preferred embodiment of a four-station rotating device and four-station testing equipment, which can solve the above technical problems.

Referring to fig. 1, 2, 3 and 5, a four-station turning device 1 for rotating and conveying a circuit board 001 is provided in a preferred embodiment of the present invention. The four-station turning device 1 comprises a turntable 11, four clamping plate platforms 12 and a rotary drive. The turntable 11 is rotatably arranged. The four clamping plate platforms 12 are sequentially and uniformly connected with the turntable 11 in a surrounding manner, and every two adjacent clamping plate platforms 12 are separated by 90 degrees. The clamping plate platform 12 comprises a feeding area 12a, a registering area 12b, a testing area 12c and a discharging area 12d on the rotating track. The rotary driver is connected with the turntable 11, and the rotary driver is used for driving the turntable 11 and each clamping plate platform 12 to rotate, so that each clamping plate platform 12 circularly passes through the feeding area 12a, the alignment area 12b, the testing area 12c and the discharging area 12d in sequence. The cleat platform 12 includes, among other things, a base frame 120, a connecting rod 121, and two sets of clips 122. The chassis 120 includes a main body plate 1201 and two extension rods 1202, the main body plate 1201 is connected with the turntable 11, the two extension rods 1202 are respectively protruded perpendicularly to two ends of the main body plate 1201 and extend in the same direction, the connecting rod 121 is perpendicularly connected to the two extension rods 1202, and the connecting rod 121 is connected with the chassis 120 to form a hollow structure. Two sets of clips 122 are attached to the main body plate 1201 and the connecting rod 121, respectively, with the clip openings of the two sets of clips 122 facing each other.

According to the four-station rotating device 1 disclosed by the invention, one clamping plate platform 12 is firstly positioned in the feeding area 12a for feeding, two sides of the circuit board 001 are clamped and fixed through two groups of opposite clamps 122, then the rotating driver rotates 90 degrees, so that the clamping plate platform 12 is positioned in the aligning area 12b, after the aligning operation is finished, the rotating driver rotates 90 degrees again, the clamping plate platform 12 is positioned in the testing area 12c, the connecting rod 121 and the underframe 120 form a hollow structure, the upper machine head and the lower machine head of the testing device 7 can respectively press and test the bottom surface and the top surface of the circuit board 001, specific testing requirements are met, the rotating driver rotates 90 degrees again, the clamping plate platform 12 is positioned in the discharging area 12d, the rotating driver circularly rotates, and feeding, aligning, testing and discharging procedures are simultaneously carried out, so that the production efficiency is effectively improved.

Referring to fig. 2, a plurality of clips 122 are provided, and four clips 122 are provided in each of the two groups illustrated in this example. The clamping plate platform 12 further comprises two first linear guide rails 123, wherein the two first linear guide rails 123 are respectively connected between the main body plate 1201 and one group of clips 122 and between the connecting rod 121 and the other group of clips 122, and the length directions of the two first linear guide rails 123 are the same as the length of the connecting rod 121. With the above structure, when the circuit board 001 cannot be held in any place, the position of the clip 122 can be adjusted to hold the circuit board 001 at a proper position.

Referring to fig. 2 and 3, the clamping plate platform 12 further includes two second linear guide rails 124 and two connecting blocks 125. The two second linear guides 124 are respectively connected to the two extension rods 1202, and are consistent with the length direction of the extension rods 1202. The connection block 125 connects the slider of the second linear guide 124 and one end of the connection rod 121. In the above structure, the two ends of the connecting rod 121 are connected with the second linear guide rail 124 through the two connecting blocks 125, so that the connecting rod 121 can move in a direction approaching or separating from the main body plate 1201, and the clips 122 on the connecting rod 121 approach or separate from the clips 122 on the main body plate 1201, and a suitable distance can be selected according to different widths of the circuit board 001.

Referring to fig. 3, 4 and 6, the cleat platform 12 further includes two side plates 126 and two locking assemblies 127. The two side plates 126 are respectively connected to the two extension bars 1202, the length direction of the side plate 126 is identical to the length direction of the extension bar 1202, each side plate 126 is provided with a long sliding hole 1261, and the length direction of the sliding hole 1261 is identical to the length direction of the side plate 126. Each locking assembly 127 includes a locking screw 1271, a washer 1272 and a locking handle 1273. The locking screw 1271 is movably inserted into the sliding hole 1261, the locking handle 1273 is rotatably connected with one end of the locking screw 1271, the other end of the locking screw 1271 is connected with the connecting block 125, the gasket 1272 is sleeved on the locking screw 1271 and is positioned between the locking handle 1273 and the side plate 126, and the locking handle 1273 comprises a sliding position and a locking position on the rotation track. When the locking handle 1273 is in the sliding position, there is a gap between the locking handle 1273 and the washer 1272 such that the locking screw 1271 is slidable in the sliding hole 1261. When the locking handle 1273 is in the locked position, the washer 1272 is interference clamped between the locking handle 1273 and the side plate 126 such that the locking screw 1271 is secured to the side plate 126. The locking handle 1273 is shown in the locked position in this embodiment. In the above structure, when the distance between the two sets of clips 122 needs to be adjusted, the locking handle 1273 is adjusted to the sliding position, at this time, a gap is formed between the locking handle 1273 and the washer 1272, the washer 1272 can move back and forth on the locking screw 1271, no jam exists between the washer 1272 and the side plate 126, the locking screw 1271 can slide in the sliding hole 1261, and the movement of the connecting rod 121 is not affected; when the distance between the two sets of clips 122 needs to be fixed, the locking handle 1273 is adjusted to the locking position, at this time, the locking handle 1273 presses the washer 1272 on the side plate 126, the locking screw 1271 cannot slide in the sliding hole 1261, and therefore the connecting rod 121 cannot move, the distance between the two sets of clips 122 is fixed, and stability is enhanced.

Referring to fig. 7 and 8, the clip 122 includes a base 1221, a pad 1222, a rotating block 1223, a push block 1224, a press block 1225, and a horizontal driver 1226. The base 1221 includes a first connecting end 12211, a second connecting end 12212 and a third connecting end 12213, where the third connecting end 12213 is located between the first connecting end 12211 and the second connecting end 12212, the first connecting end 12211 is connected to the slider of the first linear guide 123, the second connecting end 12212 is connected to the pad 1222, and two ends of the rotating block 1223 are respectively connected to the third connecting end 12213 by a first rotating shaft and connected to the pushing block 1224 by a second rotating shaft. The pushing block 1224 moves along the horizontal direction, the pushing block 1224 includes a releasing position and a clamping position on a motion track of the pushing block 1224, the pressing block 1225 is connected with the rotating block 1223, the pressing block 1225 and the pushing block 1224 are located on two opposite sides of the same end of the rotating block 1223, the horizontal driving member 1226 is connected with the pushing block 1224 and is used for driving the pushing block 1224 to move back and forth between the releasing position and the clamping position, the releasing position is far away from the circuit board 001 relative to the clamping position, and the horizontal driving member 1226 can be an air cylinder. When the push block 1224 is moved from the unclamped position to the clamped position, the rotary block 1223 and the press block 1225 are rotated in a direction toward the circuit board 001, so that the press block 1225 and the pad 1222 cooperate to clamp the circuit board 001. When the push block 1224 is moved from the clamped position to the unclamped position, the rotary block 1223 and the press block 1225 are rotated away from the circuit board 001, thereby causing the press block 1225 and the pad 1222 to separate to unclamp the circuit board 001. The push block 1224 is shown in the released position.

With the above structure, when the circuit board 001 needs to be clamped, the horizontal driving member 1226 drives the push block 1224 to move from the loosening position to the clamping position, the push block 1224 pushes the upper end of the rotating block 1223 to rotate in the direction close to the circuit board 001, and the pressing block 1225 also rotates in the direction close to the circuit board 001, so that the pressing block 1225 and the cushion block 1222 cooperate to clamp the circuit board 001, and the rotating block 1223 is rotationally connected with the push block 1224 through the second rotating shaft, so that the push block 1224 cannot be blocked in the moving process; when the circuit board 001 needs to be loosened, the horizontal driving member 1226 drives the push block 1224 to move from the clamping position to the loosening position, the push block 1224 pulls the upper end of the rotating block 1223 to rotate in a direction away from the circuit board 001, and the pressing block 1225 also rotates in a direction away from the circuit board 001, so that the pressing block 1225 and the cushion block 1222 are separated to loosen the circuit board 001. The structure can automatically control the clamping or loosening of the circuit board 001, is convenient to control and has stable process.

Referring to fig. 7, the end of the pad 1222 near the circuit board 001 is provided with a step groove 12221, the end of the pressing block 1225 near the circuit board 001 is provided with a bump 12251, and when the pushing block 1224 is located at the clamping position, the bump 12251 is located in the step groove 12221. With the above structure, in the use process, the circuit board 001 can be put into the step groove 12221 first, the two sides of the circuit board 001 are limited, the circuit board 001 is prevented from being shifted, and then the clamping operation is performed.

Referring to fig. 3 and 7, the clamping plate platform 12 further includes two fixed racks 128, which are fixed to the main body plate 1201 and the connecting rod 121, respectively. Clip 122 further includes a movable rack 1227 and a tab 1228, the movable rack 1227 being in movable engagement with the fixed rack 128, the tab 1228 connecting the movable rack 1227 and the base 1221. With the above structure, when the clip 122 is in the selected position, the clip 122 can be fixed by engaging the movable rack 1227 with the fixed rack 128. The elastic piece 1228 has certain elasticity, so that the elastic piece 1228 is broken towards the direction perpendicular to the fixed rack 128, the movable rack 1227 can be separated from the fixed rack 128, and the elastic piece 1228 is loosened, so that the movable rack and the fixed rack 128 are tightly meshed, and the use is convenient.

Referring to fig. 3, the clamping plate platform 12 further includes two scales 129 respectively fixed to the main body plate 1201 and the connecting rod 121 for identifying the position of the clamp 122. With the above structure, the position of the clip 122 can be accurately adjusted.

Please refer to fig. 9, and also refer to fig. 1. The preferred embodiment of the invention also provides a four-station testing device which comprises a four-station rotating device 1, a feeding front rail conveying mechanism 2, a dust adhering mechanism 3, a feeding rear rail conveying mechanism 4, a feeding arm 5, a positioning mechanism 6, a testing device 7, a discharging arm 8, a marking platform 9, a plurality of receiving platforms 10 and a discharging arm 20. Track conveying mechanism 4 behind the feeding, stick dirt mechanism 3 and track conveying mechanism 2 before the feeding arrange in proper order in the one side of feeding district 12a along transversely, material loading arm 5 slides and sets up in the top of track conveying mechanism 4 behind the feeding and feeding district 12a, counterpoint mechanism 6 sets up counterpoint district 12b, testing arrangement 7 sets up in test district 12c, mark platform 9 and unloading district 12d are arranged along transversely adjacent, a plurality of receipts material platform 10 and mark platform 9 are arranged along vertically, unloading arm 8 slides and sets up in the top of unloading district 12d and mark platform 9, material discharging arm 20 slides and sets up in the top of marking platform 9 and a plurality of receipts material platform 10. With the above structure, the circuit board 001 is sent into the dust-sticking mechanism 3 through the track conveying mechanism 2 before feeding to remove dust on the circuit board 001, the track conveying mechanism 4 receives the circuit board 001 after feeding, the feeding arm 5 moves the circuit board 001 from the track conveying mechanism 4 after feeding to the clamping plate platform 12 positioned in the feeding area 12a, the circuit board 001 enters the alignment area 12b, the alignment mechanism 6 moves in the transverse direction and the longitudinal direction at the alignment area 12b to photograph mark points on the circuit board 001, the position of the mark points is calculated, the circuit board 001 reenters the testing area 12c, the testing device 7 moves in the transverse direction and the longitudinal direction, the upper machine head and the lower machine head press-fit and test the circuit board 001, the circuit board 001 reenters the discharging area 12d, the discharging arm 8 moves the circuit board 001 from the discharging area 12d to the marking platform 9, and the discharging arm 20 moves the circuit board 001 from the marking platform 9 to each receiving platform 10. In fig. 9, the x-direction is the lateral direction, the y-direction is the longitudinal direction, and the two directions are perpendicular. The structure can automatically remove dust, feed, align, test, discharge and discharge, does not need manual intervention, and effectively improves the production efficiency.

Referring to fig. 9 and 10, the four-station testing apparatus further includes two sets of support assemblies 30, where the two sets of support assemblies 30 are located below the loading area 12a and are arranged in parallel along the longitudinal direction, and each support assembly 30 includes a tray 301 and a vertical driving member 302. The tray 301 is for supporting the circuit board 001. A vertical driving member 302 is connected to the tray 301 for driving the tray 301 to move in a vertical direction. With the above structure, when the feeding arm 5 feeds the circuit board 001 to the feeding area 12a, if the circuit board 001 is narrow, one tray 301 is lifted, and when the circuit board 001 is wide, the other tray 301 is lifted, so that the circuit board 001 can be stably supported. In fig. 10, the x direction is the transverse direction, the y direction is the longitudinal direction, the z is the vertical direction, and the three directions are vertical.

The working process of the four-station test equipment of the preferred embodiment of the invention comprises the following steps:

1. the distance between the two sets of clips 122 is adjusted and secured by two locking assemblies 127;

2. in each set of clips 122, each clip 122 is adjusted to the proper position and secured by the engagement of the moving rack 1227 with the fixed rack 128;

3. the circuit board 001 is sent into the dust adhering mechanism 3 through the feeding front rail conveying mechanism 2 to remove dust on the circuit board 001, and then the circuit board 001 is received through the feeding rear rail conveying mechanism 4;

4. the circuit board 001 is moved from the feeding back rail conveying mechanism 4 to the clamping plate platform 12 positioned in the feeding area 12a through the feeding arm 5, meanwhile, one of the two trays 301 ascends or ascends at the same time to hold the circuit board 001, the horizontal driving piece 1226 drives the pushing block 1224 to move from the loosening position to the clamping position, the pushing block 1224 pushes the upper end of the rotating block 1223 to rotate towards the direction close to the circuit board 001, and the pressing block 1225 also rotates towards the direction close to the circuit board 001, so that the pressing block 1225 and the cushion blocks 1222 are matched to clamp the circuit board 001, and two sides of the circuit board 001 are clamped and fixed through two groups of opposite clamps 122;

5. the rotary driver rotates 90 degrees, so that the clamping plate platform 12 is positioned in the alignment area 12b, the alignment mechanism 6 moves in the transverse direction and the longitudinal direction in the alignment area 12b, photographs mark points on the circuit board 001, and calculates the positions of the mark points;

6. the rotary driver rotates 90 degrees again, so that the clamping plate platform 12 is positioned in the testing area 12c, the testing device 7 moves along the transverse and longitudinal directions, and the upper machine head and the lower machine head press-fit and test the circuit board 001;

7. the rotary drive is rotated by 90 ° again so that the clamping plate platform 12 is located in the blanking area 12d; the horizontal driving member 1226 drives the push block 1224 to move from the clamping position to the releasing position, the push block 1224 pulls the upper end of the rotating block 1223 to rotate in a direction away from the circuit board 001, and the pressing block 1225 also rotates in a direction away from the circuit board 001, so that the pressing block 1225 and the pad 1222 are separated to release the circuit board 001;

8. the blanking arm 8 moves the circuit board 001 from the blanking area 12d to the marking platform 9;

9. the outfeed arm 20 moves the circuit board 001 from the marking stage 9 to the respective receiving stations 10.

Thus, the working process of the four-station test apparatus of the present preferred embodiment is completed.

According to the four-station rotating device and the four-station testing equipment, one clamping plate platform is firstly positioned in the feeding area for feeding, two sides of a circuit board are clamped and fixed through two groups of opposite clamps, then the rotating driver rotates 90 degrees to enable the clamping plate platform to be positioned in the alignment area, after alignment operation is completed, the rotating driver rotates 90 degrees again to enable the clamping plate platform to be positioned in the testing area, and because the connecting rod and the underframe form a hollow structure, the upper machine head and the lower machine head of the testing device can respectively press and test the bottom surface and the top surface of the circuit board, specific testing requirements are met, the rotating driver rotates 90 degrees again to enable the clamping plate platform to be positioned in the discharging area for completing discharging operation, the rotating driver rotates circularly, and feeding, alignment, testing and discharging procedures are performed simultaneously, so that production efficiency is effectively improved.

In summary, although the present invention has been described with reference to the preferred embodiments, the scope of the invention is not limited thereto, and any person skilled in the art who is skilled in the art should make equivalent substitutions or modifications according to the technical scheme of the present invention within the scope of the present invention.

Claims

1. A four-station turning device for rotationally transporting a circuit board, the four-station turning device comprising:

a turntable rotatably provided;

the clamping plate platform comprises an underframe, a connecting rod and two groups of clamps; the chassis comprises a main body plate and two extension rods, the main body plate is connected with the turntable, the two extension rods are respectively and vertically protruded out of two ends of the main body plate and extend in the same direction, the connecting rod is vertically connected with the two extension rods, and the connecting rod is connected with the chassis to form a hollow structure; the two groups of clamps are respectively connected to the main body plate and the connecting rod, and the clamping openings of the two groups of clamps are opposite;

the clamping plate platform further comprises two first linear guide rails, wherein the two first linear guide rails are respectively connected between the main body plate and one group of clamps, and between the connecting rod and the other group of clamps, and the length direction of the two first linear guide rails is the same as the length of the connecting rod;

wherein, the splint platform further includes:

the two connecting blocks are connected with the sliding block of the second linear guide rail and one end of the connecting rod;

wherein, the splint platform further includes:

2. The four-position swivel arrangement of claim 1, wherein the clamp comprises a base, a spacer, a swivel block, a push block, a press block, and a horizontal drive; the base comprises a first connecting end, a second connecting end and a third connecting end, wherein the third connecting end is located between the first connecting end and the second connecting end, the first connecting end is connected with a sliding block of a first linear guide rail, the second connecting end is connected with a cushion block, two ends of the rotating block are respectively connected with the third connecting end and the pushing block in a rotating mode, the pushing block comprises a loosening position and a clamping position on a motion track of the pushing block, the pressing block is connected with the rotating block, the pressing block and the pushing block are located on two sides of the same end of the rotating block, the horizontal driving piece is connected with the pushing block and used for driving the pushing block to move back and forth between the loosening position and the clamping position, the loosening position is far away from a circuit board relative to the clamping position, when the pushing block is moved to the clamping position by the loosening position, the rotating block and the pressing block rotate towards a direction close to the circuit board, so that the pressing block and the cushion block are matched with the circuit board, and when the pushing block is moved to the releasing position, the pressing block is far away from the circuit board.

3. The four-station rotating device according to claim 2, wherein a step groove is formed in one end of the cushion block, which is close to the circuit board, and a bump is formed in one end of the press block, which is close to the circuit board, and the bump is located in the step groove when the push block is located in the clamping position.

4. The four-position swivel arrangement of claim 2, wherein the clamp plate platform further comprises two fixed racks secured to the body plate and the connecting rod, respectively;

5. The four-position swivel device of claim 4, wherein the clamp plate platform further comprises two scales respectively fixed to the main body plate and the connecting rod for marking the position of the clamp.

6. A four-station test apparatus, comprising: the quadruplex position rotating device of any one of claims 1-5, track conveying mechanism before the feeding, dust sticking mechanism, track conveying mechanism after the feeding, material loading arm, counterpoint mechanism, testing arrangement, unloading arm, marking platform, a plurality of receipts material platform and ejection of compact arm, track conveying mechanism after the feeding the dust sticking mechanism with track conveying mechanism before the feeding arrange in proper order in the one side along horizontal in the material loading district, material loading arm slide set up in track conveying mechanism after the feeding with the top in material loading district, counterpoint mechanism set up in counterpoint district, testing arrangement set up in testing arrangement, marking platform with the unloading district sets up along horizontal adjacency, a plurality of receive material platform with marking platform is along vertical arrangement, the unloading arm slide set up in the unloading district with marking platform's top, ejection of compact arm slide set up in marking platform with a plurality of receive the top in the material platform.

7. The four-station test apparatus according to claim 6, further comprising two sets of support assemblies, two sets of support assemblies being positioned below the loading zone and arranged in parallel in the longitudinal direction, each support assembly comprising:

a tray for supporting the circuit board; the method comprises the steps of,